<template>
  <div class="app-container">
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="8">
            <el-form-item label="关 键 字">
              <el-input style="width: 95%" v-model="searchObj.keyword" placeholder="用户名/姓名/手机号码"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="操作时间">
              <el-date-picker v-model="createTimes" type="datetimerange" range-separator="至" start-placeholder="开始时间"
                end-placeholder="结束时间" value-format="yyyy-MM-dd HH:mm:ss" style="margin-right: 10px;width: 100%;" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini" @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <!-- <el-button type="success" :disabled="$hasBP('bnt.sysUser.add')  === false" icon="el-icon-plus" size="mini" @click="add">添 加</el-button> -->
      <el-button type="success" icon="el-icon-plus" size="mini" @click="add">添 加</el-button>
      <el-button type="success" icon="el-icon-plus" size="mini" @click="scoreAnalyse">成绩分析</el-button>
    </div>

    <!-- 列表 -->
    <el-table v-loading="listLoading" :data="list" stripe border style="width: 100%;margin-top: 10px;">

      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="studentName" label="学生姓名" />
      <el-table-column prop="score" label="成绩" />
      <el-table-column prop="courseName" label="考试科目" />
      <el-table-column prop="examTime" label="考试年度" />
      <el-table-column prop="examType" label="考试类型" :formatter="handleFormatter" />
      <el-table-column prop="gradeName" label="年级" />
      <el-table-column prop="className" label="班级" />

    </el-table>

    <!-- 分页组件 -->
    <el-pagination :current-page="page" :total="total" :page-size="limit" style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper" @current-change="fetchData" />

    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username"></el-input>
        </el-form-item>

        <el-form-item label="角色列表">
          <el-checkbox :indeterminate="isIndeterminate" v-model="checkAll" @change="handleCheckAllChange">全选</el-checkbox>
          <div style="margin: 15px 0;"></div>
          <el-checkbox-group v-model="userRoleIds">
            <el-checkbox v-for="role in allRoles" :key="role.id" :label="role.id">{{ role.roleName }}</el-checkbox>
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" @click="assignRole" size="small">保存</el-button>
        <el-button @click="dialogRoleVisible = false" size="small">取消</el-button>
      </div>
    </el-dialog>

    <el-dialog title="分配课程" :visible.sync="dialogCourseVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username"></el-input>
        </el-form-item>

        <el-form-item label="课程列表">
          <!-- <el-checkbox :indeterminate="isIndeterminate" v-model="checkAll" @change="handleCheckAllChange">全选</el-checkbox> -->
          <div style="margin: 15px 0;"></div>
          <el-checkbox-group v-model="userCourseIds" @change="handleCheckedChange">
            <el-checkbox v-for="course in courseList" :key="course.id" :label="course.id">{{ course.courseName
            }}</el-checkbox>
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" @click="assignCourse" size="small">保存</el-button>
        <el-button @click="dialogCourseVisible = false" size="small">取消</el-button>
      </div>
    </el-dialog>

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysUser" label-width="100px" size="small" style="padding-right: 40px;">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="sysUser.username" />
        </el-form-item>
        <el-form-item v-if="!sysUser.id" label="密码" prop="password">
          <el-input v-model="sysUser.password" type="password" />
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="sysUser.name" />
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="sysUser.phone" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>

    <el-dialog title="分配班级" :visible.sync="classVisible" width="40%">
      <el-tree ref="classTree" node-key="id" :data="tableData" :props="props" @check-change="handleCheckChange"
        show-checkbox>
      </el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="classVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="assignClass" size="small">确 定</el-button>
      </span>
    </el-dialog>


    <el-dialog title="成绩分析" :visible.sync="scoreAnalyseVisible" width="40%">
      <el-form ref="scoreAnalyseForm" :model="scoreAnalyseForm" label-width="100px" size="small">
        <el-form-item label="考试年度" prop="examTime">
          <el-date-picker v-model="scoreAnalyseForm.examTime" type="year" placeholder="选择年" value-format="yyyy">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="考试类型" prop="examType">
          <el-select v-model="scoreAnalyseForm.examType">
            <el-option v-for="item in examTypeDict" :key="item.dictValue" :value="item.dictValue"
              :label="item.dictLabel"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="考试课程" prop="courseId">
          <el-select v-model="scoreAnalyseForm.courseId">
            <el-option v-for="item in courseList" :key="item.id" :value="item.id" :label="item.courseName"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="年级">
          <el-select v-model="scoreAnalyseForm.gradeId">
            <el-option v-for="item in gradeList" :key="item.id" :label="item.gradeName" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="班级">
          <el-select v-model="scoreAnalyseForm.classId">
            <el-option v-for="item in classList" :key="item.id" :value="item.id" :label="item.className"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="classVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="generateReport" size="small">生成报告</el-button>
      </span>
    </el-dialog>

    <el-dialog title="成绩分析结果" :visible.sync="scoreAnalyseResultVisible" width="40%">
      <div v-for="(item, index) in scoreAnalyseArr" :key="index">
        {{ item.label }}：{{ item.value }}
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="scoreAnalyseResultVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="exportScoreForm" size="small">导出成绩单</el-button>
      </span>
    </el-dialog>

  </div>
</template>
<script>
import api from '@/api/score'
import gradeApi from "@/api/grade";
import classApi from '@/api/class'
import roleApi from '@/api/system/role'
import courseApi from "@/api/course";
import { examTypeDict } from "@/const";
export default {
  data() {
    return {
      props: {
        label: 'label',
        children: 'children'
      },
      gradeList: [],
      classList: [],
      examTypeDict,
      scoreAnalyseResultVisible: false,
      scoreAnalyseForm: {},
      scoreAnalyseVisible: false,
      classVisible: false,
      listLoading: false, // 数据是否正在加载
      list: null, // 列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询表单对象

      createTimes: [],
      dialogVisible: false,
      sysUser: {},

      dialogRoleVisible: false,
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false, // 是否全选
      dialogCourseVisible: false,
      userCourseIds: [],
      courseList: [],
      tableData: [
        {
          label: "1",
          id: "1",
          children: [
            {
              label: "1-1",
              id: '111'
            }
          ]
        }
      ],
      assignedClassList: [],
      scoreAnalyseResult: {},
      scoreAnalyseArr: []
    }
  },
  watch: {
    'scoreAnalyseForm.gradeId': {
      handler: function (newVal) {
        classApi.getClassByGradeId(newVal).then(res => {
          console.log("Res", res);
          this.classList = res.data;
        })
      }
    }
  },
  created() {
    //调用列表方法
    this.fetchData();
  },
  mounted() {
    courseApi.list().then(res => {
      if (res.code == 200) {
        this.courseList = res.data;
      }
    })
    gradeApi.list().then(res => {
      if (res.code == 200) {
        this.gradeList = res.data;
      }
    })
  },
  methods: {
    exportScoreForm() {
      api.exportScore(this.scoreAnalyseForm).then(res => {
        console.log("exportRes", res);
        let blob = new Blob([res], { type: 'application/vnd.ms-excel' });
        const link = document.createElement('a');

        // let _fileName = res.headers['content-disposition'].split(';')[1].split('=')
        // [1];//文件名，中文无法解析的时候会显示 _(下划线),生产环境获取不到
        link.style.display = 'none';
        // // 兼容不同浏览器的URL对象
        const url = window.URL || window.webkitURL || window.moxURL;

        link.href = url.createObjectURL(blob);
        link.setAttribute('download', "!!");
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);
        url.revokeObjectURL(link.href);//销毁url对象
      })
    },
    generateReport() {
      console.log("scoreAnalyseForm", this.scoreAnalyseForm);
      api.analyse(this.scoreAnalyseForm).then(res => {
        const labelObj = {
          avgScore: "平均分",
          examCount: "参考人数",
          personCount: "原有人数",
          totalCount: "总分",
          goodRate: "优秀率",
          goodCount: "优秀人数",
          okCount: "合格人数",
          okRate: "合格率"
        }
        const scoreAnalyseArr = [];
        for (let key in res.data) {
          scoreAnalyseArr.push({
            label: labelObj[key],
            value: res.data[key]
          })
        }
        this.scoreAnalyseArr = scoreAnalyseArr;
        this.scoreAnalyseResultVisible = true;
      })
    },
    scoreAnalyse() {
      this.scoreAnalyseVisible = true;
    },
    handleFormatter(row, column) {
      console.log("row", row);
      console.log("column", column);
      const { property } = column;
      if (property == 'examType') {
        switch (row[property]) {
          case '0': return '期中考试';
          case '1': return '期末考试'
        }
      }
    },
    handleCheckChange(a, b, c) {
      const { gradeId, classId } = a;
      if (b) {
        if (!a.children) {

          this.assignedClassList.push({
            gradeId,
            classId
          })
        }
      } else {
        const findIndex = this.assignedClassList.find(item => item.classId == classId);
        if (findIndex != -1) {
          this.assignedClassList.splice(findIndex, 1);
        }
      }
    },
    assignClass() {
      const requestParam = {
        userId: this.sysUser.id,
        classGradeList: this.assignedClassList
      }
      api.setAssignClass(requestParam).then(res => {
        console.log("fenpeiRes", res);
      });

    },
    showAssignClass(row) {
      this.sysUser = row;
      this.classVisible = true;
      api.getAssignedClass(row.id).then(res => {
        console.log("res", res);
        this.tableData = res.data;
        const checkNodes = [];
        res.data.forEach(item => {
          const { children } = item;
          children.forEach(item2 => {
            const { id, select } = item2;
            if (select) {
              checkNodes.push(id);
            }
          })
        })
        this.$nextTick(() => {
          this.$refs.classTree.setCheckedKeys(checkNodes);
        })



      })
    },
    assignCourse() {
      const assignCourseVo = {
        userId: this.sysUser.id,
        courseIdList: this.userCourseIds
      }
      api.assignCourse(assignCourseVo).then(res => {
        if (res.code == 200) {
          this.$message.success(res.message || '分配课程成功')
          this.dialogCourseVisible = false;
        }
      })
    },
    showAssignCourse(row) {
      this.sysUser = row;
      this.dialogCourseVisible = true;
      api.getAssignedCourse(row.id).then(res => {
        this.courseList = res.data;
        this.userCourseIds = [];
        res.data.forEach(item => {
          if (item.select) {
            this.userCourseIds.push(item.id);
          }
        })
      })
    },
    //展示分配角色
    showAssignRole(row) {
      this.sysUser = row
      this.dialogRoleVisible = true
      roleApi.getRolesByUserId(row.id).then(response => {
        this.allRoles = response.data.allRoles
        console.log(this.allRoles)
        this.userRoleIds = response.data.userRoleIds
        console.log(this.userRoleIds)
        this.checkAll = this.userRoleIds.length === this.allRoles.length
        this.isIndeterminate = this.userRoleIds.length > 0 && this.userRoleIds.length < this.allRoles.length
      })
    },

    /*
    全选勾选状态发生改变的监听
    */
    handleCheckAllChange(value) {// value 当前勾选状态true/false
      // 如果当前全选, userRoleIds就是所有角色id的数组, 否则是空数组
      this.userRoleIds = value ? this.allRoles.map(item => item.id) : []
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false
    },

    /*
    角色列表选中项发生改变的监听
    */
    handleCheckedChange(value) {
      const { userRoleIds, allRoles } = this
      this.checkAll = userRoleIds.length === allRoles.length && allRoles.length > 0
      this.isIndeterminate = userRoleIds.length > 0 && userRoleIds.length < allRoles.length
    },

    //分配角色
    assignRole() {
      let assginRoleVo = {
        userId: this.sysUser.id,
        roleIdList: this.userRoleIds
      }
      roleApi.assignRoles(assginRoleVo).then(response => {
        this.$message.success(response.message || '分配角色成功')
        this.dialogRoleVisible = false
        this.fetchData(this.page)
      })
    },
    //更改用户状态
    switchStatus(row) {
      //判断，如果当前用户可用，修改禁用
      row.status = row.status === 1 ? 0 : 1
      api.updateStatus(row.id, row.status)
        .then(response => {
          this.$message.success(response.message || '操作成功')
          this.fetchData()
        })
    },
    //删除
    removeDataById(id) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        //调用方法删除
        api.removeById(id)
          .then(response => {
            //提示
            this.$message({
              type: 'success',
              message: '删除成功!'
            });
            //刷新
            this.fetchData()
          })
      })
    },
    //根据id查询，数据回显
    edit(id) {
      //弹出框
      this.dialogVisible = true
      //调用接口查询
      api.getUserId(id)
        .then(response => {
          this.sysUser = response.data
        })
    },
    //添加或者修改方法
    saveOrUpdate() {
      if (!this.sysUser.id) {
        this.save()
      } else {
        this.update()
      }
    },
    //修改
    update() {
      api.update(this.sysUser)
        .then(response => {
          //提示
          this.$message.success('操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新
          this.fetchData()
        })
    },
    //添加
    save() {
      api.save(this.sysUser)
        .then(response => {
          //提示
          this.$message.success('操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新
          this.fetchData()
        })
    },
    //添加弹框的方法
    add() {
      this.dialogVisible = true
      this.sysUser = {}
    },
    // 重置查询表单
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.createTimes = []
      this.fetchData()
    },
    //列表
    fetchData(page = 1) {
      this.page = page
      if (this.createTimes && this.createTimes.length == 2) {
        this.searchObj.createTimeBegin = this.createTimes[0]
        this.searchObj.createTimeEnd = this.createTimes[1]
      }
      api.getPageList(this.page, this.limit, this.searchObj)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
    }
  }
}
</script>